Processing keyword: ~했더니 [haetdeoni] (After doing something, result)

Korean Grammar Point: ~했더니 [haetdeoni] (After doing something, result)

Grammar Point: ~했더니 [haetdeoni] (After doing something, result)

1. Introduction

The grammatical structure "~했더니" is used to indicate that after completing a certain action, a specific result or consequence occurred. It expresses a cause-and-effect relationship where the initial action leads to the outcome that follows.

2. Core Grammar Explanation

Detailed Explanation

• Meaning: The suffix "~했더니" conveys that after doing something, one observes or experiences a certain result or change. It's often used to share a personal experience or an unexpected outcome from an action.
• Structure:
  • The structure is formed by taking the verb stem, adding the past tense marker "했," followed by "더니."

Formation Diagram

• Structure:

Verb Stem + 했 + 더니

Examples of Structure

• Verb Stem: 가다 (to go) → 갔더니 (after going)
• Verb Stem: 보다 (to see) → 봤더니 (after seeing)

3. Comparative Analysis

The expression "~했더니" is often compared with:

• ~아서/어서: This structure is used to indicate a reason in a more general context (e.g., “I did something because…”).
• Differences:
  • ~했더니 focuses on the result of an action taken, whereas ~아서/어서 emphasizes the reason or causality leading to an action.

Nuances:

• ~했더니 often implies a narrative or experiential aspect, usually reflecting personal experiences or storytelling.

4. Examples in Context

Sentence Examples

1. Formal:
   • 영화를 봤더니 아주 재미있었어요.
     (I saw the movie, and after watching, it was very interesting.)
2. Informal:
   • 친구한테 말을 했더니 기분이 풀렸대.
     (After I talked to my friend, they said they felt better.)
3. Written:
   • 책을 읽었더니 많은 것을 배웠습니다.
     (After I read the book, I learned a lot.)
4. Spoken:
   • 집을 청소했더니 어머니가 칭찬하셨어.
     (After I cleaned the house, my mom praised me.)

5. Cultural Notes

Cultural Relevance

• Using "~했더니" reflects a level of engagement and personal connection with the listener, often making conversations more relatable.
• This structure can be found in storytelling, often used to share experiences in a casual context.

Levels of Politeness

• The level of politeness is influenced by the verb conjugation before "했더니". Using formal endings shows respect, while informal endings are used in casual settings.

Idiomatic Expressions

• It may be commonly used in phrases such as:
  • “그래서~했더니” indicating a causal bridge, meaning "so after doing that...".

6. Common Mistakes and Tips

Error Analysis

• Frequent Errors:
  • Incorrect verb tense can lead to confusion. Ensure the verb is in the past tense.
  • Misuse of politeness levels; remember to adjust according to the context.

Learning Strategies

• Mnemonic Device: Think of "~했더니" as "after I did (something), then this happened." This sequential thinking can help remember its use.

7. Summary and Review

Key Takeaways

• Meaning: Indicates a result following an action.
• Structure: Verb stem + 했 + 더니.
• Usage: Common in storytelling, personal experiences, and casual conversations.

Quick Recap Quiz

1. What does "~했더니" express in a sentence?
2. How do you form "~했더니" from the verb "하다" (to do)?
3. Compare "했더니" with "아서/어서". What is the main difference? By understanding and practicing this grammatical structure, you’ll be able to express cause and effect in your conversations more effectively!